Finding the Fourth Proportional to 839,269.08, 1,259,154.18 and 789,139.80
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Solution
The fourth proportional to 839,269.08, 1,259,154.18 and 789,139.80 is: 1,183,945.29
Step by Step Solution
- Step 1: Write the proportion equation
839,269.08 : 1,259,154.18 = 789,139.80 : x - Step 2: Convert to fraction form
839,269.08/1,259,154.18 = 789,139.80/x - Step 3: Cross multiply
839,269.08x = 1,259,154.18 × 789,139.80 - Step 4: Simplify right side
839,269.08x = 993,648,677,774.36 - Step 5: Solve for x
x = 993,648,677,774.36/839,269.08 - Step 6: Final answer
x = 1,183,945.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.